The '''London Symphony Orchestra''' ('''LSO'''), founded in 1904, is the oldest of London's symphony orchestras
. It was set up by a group of players who left Henry Wood
's Queen's Hall|Queen's Hall Orchestra
because of a new rule requiring players to give the orchestra
their exclusive services. The LSO itself later introduced a similar rule for its members. From the outset, the LSO was organised on co-operative lines, with all players sharing the profits at the end of each season. This practice continued for the orchestra's first four decades.
The LSO underwent periods of eclipse in the 1930s and 1950s when it was regarded as inferior in quality to new London orchestras, to which it lost players and bookings: the BBC Symphony Orchestra
and the London Philharmonic Orchestra|London Philharmonic
in the 1930s and the Philharmonia Orchestra|Philharmonia
and Royal Philharmonic Orchestra|Royal Philharmonic
after the Second World...